Abstract
In 2022-23 a laboratory study was conducted at Department of Entomology, Faculty of Agricultural Sciences (IAS)[20.288596,85.764828], SOA-DU, Bhubaneswar to study about the biology of brinjal shoot and fruit borer biology or lifecycle. The parameters including egg, different instars of larvae, pupae and adults were highest in the last generation that was held in the month of Dec- Jan and the lowest of the parameters were recorded in the second generation held in the month of Aug – Sep. These changes in the parameters depending on the month were due to the variation in temperature. Likewise, the length of time spent in various developmental phases was noted. Recorded period includes egg (3-5 days), larva (12-18 days), pupa (8-12 days) and total developmental period (32-37 days) respectively. The average lifespan of male moths was 4.60 ± 1.00 days with a range of 3 to 7 days, while female moths had an average lifespan of 5.60±1.16 days with a range of 4 to 8 days. The average number of eggs laid by female moths was 69.53±9.35 eggs/female, with a range of 49 to 82 eggs. Key words: Brinjal shoot and fruit borer, biology, Leucinodes orbonalis
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